美国采购需求：门窗，门窗，铝合金窗，铝合金门，室内门，阳光房，铝合金推拉窗

I'm reaching out to inquire about your white product options. We're looking for high-quality materials that meet our specific needs. Could you provide details on the available varieties, including any specifications, pricing, and lead times? Additionally, if you have any recommendations based on previous successful orders, that would be great. I'm particularly interested in understanding the differences between your offerings to make an informed decision. Looking forward to your prompt response with this info!